3/7-2/14+1/21 What is the answer to this

Question

3/7-2/14+1/21
What is the answer to this

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Sigridomena 5 years 2021-09-02T11:01:35+00:00 2 Answers 15 views 0

Answers ( )

  1. thaiduong
    0
    2021-09-02T11:03:03+00:00
    Reply

    1/3

    We’ll first reduce the second of the fractions and get a common denominator for the first 2 of 7. Then we’ll finish with the common denominator of 21:

    3/7 – 2/14 + 1/21
    = 3/7 – 1/7 + 1/21
    = 2/7 + 1/21
    Multiply the first fraction by 3/3
    = 6/21 + 1/21
    = 7/21
    Reduce to 1/3

  2. thongdat2
    0
    2021-09-02T11:03:11+00:00
    Reply

    Answer:

    1/3

    Step-by-step explanation:

    Hope this is useful even though there isn’t any working

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )